Finding the Fourth Proportional to 5,251,805,746.35, 7,247,470,262.68 and 2,840,490,931.40
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Solution
The fourth proportional to 5,251,805,746.35, 7,247,470,262.68 and 2,840,490,931.40 is: 3,919,865,766.37
Step by Step Solution
- Step 1: Write the proportion equation
5,251,805,746.35 : 7,247,470,262.68 = 2,840,490,931.40 : x - Step 2: Convert to fraction form
5,251,805,746.35/7,247,470,262.68 = 2,840,490,931.40/x - Step 3: Cross multiply
5,251,805,746.35x = 7,247,470,262.68 × 2,840,490,931.40 - Step 4: Simplify right side
5,251,805,746.35x = 20,586,373,556,735,909,888 - Step 5: Solve for x
x = 20,586,373,556,735,909,888/5,251,805,746.35 - Step 6: Final answer
x = 3,919,865,766.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.